QUESTION 29What is the function of the command switchport trunk native vlan 999 on a Cisco Catalyst switch?

A. It creates a VLAN 999 interface.B. It designates VLAN 999 for untagged traffic.C. It blocks VLAN 999 traffic from passing on the trunk.D. It designates VLAN 999 as the default for all unknown tagged traffic.

Answer: B

QUESTION 30Which of the following are benefits of VLANs? (Choose three.)

A. They increase the size of collision domains.B. They allow logical grouping of users by function.C. They can enhance network security.D. They increase the size of broadcast domains while decreasing the number of collision domains.E. They increase the number of broadcast domains while decreasing the size of the broadcast domains.F. They simplify switch administration.

Answer: BCE

QUESTION 31What does a Layer 2 switch use to decide where to forward a received frame?

QUESTION 33Refer to the exhibit. What are three traffic and interconnection requirements for the devices in the exhibit? (Choose three.)

A. The EtherNet/IP drive connections are in a high-voltage area and need protection from electromagnetic noise, so shielded cable that is rated for 600 V is advised.B. EtherNet/IP devices such as the controller, drive, VoIP phone, and IP camera should be in the same VLAN.C. CIP traffic has the highest bandwidth requirement so it needs the highest QoS setting.D. EtherNet/IP drive traffic has high sensitivity to random drops, latency, and jitter.E. Real-time motion control and VoIP traffic can share the same VLAN with the proper QoS setting.F. IEEE1588 and PTP are important for ensuring real-time synchronization.